Ventilator



FIG. 1 is a perspective view of a ventilator taken from a direction between a right side and a back of the ventilator;

FIG. 2 is a right side elevational view of the ventilator of FIG. 1;

FIG. 3 is a left side elevational view of the ventilator of FIG. 1;

FIG. 4 is a front elevational view of the ventilator FIG. 1;

FIG. 5 is a rear elevational view of the ventilator of FIG. 1;

FIG. 6 is a top plan view of the ventilator of FIG. 1;

FIG. 7 is a bottom plan view of the ventilator of FIG. 1;

FIG. 8 is a perspective view of the ventilator of FIG. 1 taken from a direction between a front and a left side of the ventilator; and,

FIG. 9 is a perspective view of the ventilator of FIG. 1 taken from a direction between a front and a right side of the ventilator. 

CLAIM An ornamental design of a ventilator, as shown and described. 